Automobile driving mechanism.



H. 0. LEE.

AUTOMOBILE DRIVING MECHANISM.

APPHCATION FILED FEB-1.1913.

1, 1 50,21 2. Patented Aug. 17, 1915.

2 SHEETSSHEET 1.

314mm mtoz fialmr 0. Z 1% wi/tmeoow I V W222, ZZZ

COLUMBIA PLANDIIRAPH co.,wAsH|NG'r0N. D. c.

H. 0. LEE.

AUTOMOBlLE DRIVING MECHANISM.

APPLICATION FILED FEB. l. 1913.

1,150,21 2. Patented 17, 1915.

2 S SHEET 2.

. j 3 H 1 A l L LL fiab or Q1686 abkyommg 3 mobile, showing the invention applied therereceived in sockets 22 in the wheels 18 and 40 adjacent to the driving axle. Fig. 3. The pinions 24 are frusto-conical STTES nr IQ.

HALVOR"O, LEE, 0F ROGERS, IVEINNESOTA.-

AUTOMOBILE DRIVING MECHANISM. 1,150,212. Specification of Letters Patent. Patented A 17, 1915 7 Application filed February 1, 1913. Serial No 745,667.

To ll h may n; wheel, hereinafter described, for the purpose Be it known that I, HALVOR 0. LEE, a citi- 0 changing the relative speedsbetween the zen of the United States, residing at Rogers, driving shaft 2 and the driving axle.

in t e county of Hennepin and State of In order to admit of the twomovements 5 Mlnnesota, have invented new and useful hereinabove referred to, the shaft extension 60 Improvements inAutomobileDriving Mech- 4 is provided with a grooved collar 9, enciranism, of which the following is aspecifi- 0 ing the same, as shown in Fig. 2, and cation. adapted to receive a shifting fork 10, by

This invention relates to automobile drivmeans of which the disk 7 may be moved 65 10 mg mechanism, the' object in view being to i 1n a fore and aft direction. To provide for provide simple and reliable mechanism for the lateral movement of the shaft extension imparting the motion of the engine to the 4, the latter is mounted in a suitable bearin driving wheels of the machine, and also 11 which is adapted to slide back and forth varying the speed of the driving wheels rela- 1n a guide frame 12 extending transversel 70 15 tively to the speed of the motor, without inof the chassis, the bearing 11 'beingishifted terfering with the differential mechanism, by means of connecting rods 13, or their the arrangement hereinafter described also equivalent, to a suitable lever arranged withproviding for throwing the drive shaft of 1n reach of the driver in his seat on the mathe machine out of driving engagement with 0 me.

the driving axle of the machine. The driving axleis divided into two sec- 7 With the above and other objects in view, tions 14 and 15, the inner ends of which are the invention consists in the construction, squared, as shownat 16, and inserted in corcombination and arrangement of parts, as I'espondingly formed sockets l7 centrally will be hereinafter more" fully described, of the outer 'sides of a pair of oppositely 5 illustrated in the accompanying drawings, located wheels 18 and 19. Between the anddppinted out in the claim hereunto apwheels 18 and 19 is mounted a friction drive pen e a a In the drawings: Figure 1 is a plan view tending from opposite sides thereof and conof the chassis and running gear of an autocentric therewith, the stud shafts 21 being to. Flg. 2 is a detail horizontal section 19. hits permits the wheel 20 to turn inthrough the differential and friction drive. dependently of either of the wheels 18 and ig. 3 is a side elevation of the friction 9, and vice versa. wheel. The wheel 20 is provided at a plurality 35 Referring to the drawings, 1 designates of points with openings 23 extending the frame or chassis of an automobile, in through the same, and in each of said openranged driving shaft 2 which extends from extending radially with respect to the axis the universal joint 3 backwardly to a point of movement of the wheel 20, as shown in In carrying out this invention, the drive in shape, and the wheels 18 and 19 are proshaft 2 is provided at its rear end with a vided with correspondingly inclined or short telescopic extension or stub shaft 4 pitched contact faces 26, against which the having a square socket 5, in which the cor-' pinions 24 bear at diametrically opposite 1 0 45 respondingly squared extremity of the points.

main section of the drive shaft 2 is received, The wheel 20 is provided with a tread 27 thereby permitting a limited longitudinal of rubber, leather, or other suitable matesliding movement of the rear extension 4 of rial, covering the entire periphery thereof the drive shaft, for a purpose which will and working in'contact with the working 50 hereinafter appear. face 8 of the friction drive disk 7, as shown Fast on the rear end of the drive shaft in Fig. 2.

extension 4 is a friction drive disk 7, the From the foregoing descriptiom it will now working face 8 of which is preferably roundbe understood that the diflerentlal mechaed or convex, as shown, in order to enable nism referred to admits of one of the driv- 55 said friction drive disk to be shifted lating wheelsand its shaft turning faster than erally across the periphery of the friction the other, so as to compensate for the necessary diflerence in speed of the driving tion gear Wheels on the inner ends of the Wheels, When making their turn. It will axlesections, a pinion carrier interposed bealso be seen that the friction drive disk 7 is tween said gear Wheels and embodying a mounted. so as to adapt it to be shifted peripheral friction face and pinion receivacross the periphery of the friction drive ing slots extending through the body of the 35 vWheel 20, for the purpose of vary ng the car r1er,-friction pinions journaled; in said s eed of the driving Wheel relatively to slots and bearing against said friction gear that of the drive shaft 2. When the Wheel wheels, a drive shaft, a friction disk hav- 20 is in line withv the center of the disk 7, ing a convex driving face and provided With driving axle, and when the disk 7 is shifted vvith an axially extending socket non-circuso as to bring the center thereof beyond the lar incross section adapting said st'ubshaft normal driving center, a reverse movement to slide upon andlongitudinally of thedriv- Willbe imparted to'the Wheel 20, and, thereing shaft While driven rotatably thereby;

Q on which the driving Wheels are mounted in periphery of the friction Wheel, a collar the ordinary manner. It W ll, therefor'e,be around said stub shaft, a manually conobserved that the mechanism herein detrolled shifting fork engaging said collar scribed provides for varying the speed of and operating to slide said friction diskand-- 20, the driving axle With relation to the speed its stub shaft longitudinally of the drive 50 of the motor and drive shaft, and for reshaft, and laterally shiftabl'e bearingin versing the movement of the driving axle. which thetelescoping ends of the stub shaft 1*urthermor'e, the driving disk may be and drive shaft are supported. j V jnioved out of working contact with the In testimony Whereofl afiix my signature- "Wheel 20, thereby serving the function of in'pr'esence' of tvvo 'ivitn'es'ses. i V

the ordinary foot operated clutch for disconnecting the engine from the driving axle. 7 l

What is claimed is: I Wi r ,1 v ln automobile driving mechanism, the ANDREW WiG'GlN,

3 combination of a divided driving axle, fric- I WinLfE GALLI NGE teale501 this permit may be obtained for five cents each, by addressing the commissioner offa'tents, Washington, D. 0.? r

10 there Will be no 'movement'imparted to the a stub shaft integral'therewith vand fo-rmed 40 15' fore, to the driving axle'sections 14 m l5, m n for "shifting aid dig]; a r th 

